例句與造句

1. in order to improve the prediction precision and applicable range, a metamodel approach which is a convex linear combination of fitness methods has been presented and validated by using both the test function and the simulation application example
   為了提高元模型的預(yù)測(cè)精度和適用范圍，提出了一種多擬合法凸線性組合元模型方法，并利用測(cè)試函數(shù)與仿真應(yīng)用實(shí)例進(jìn)行了驗(yàn)證。
2. It's difficult to find convex linear combination in a sentence. 用convex linear combination造句挺難的